ALLPCB
5G NR FCC Overview and Test Methods
Guide to FCC certification for 5G user equipment: required tests and test-station setup, covering RF output power, occupied bandwidth, EVM and spurious emissions.
Frequency Reuse and Multiple Access in CDMA Networks
Technical overview of CDMA and frequency reuse, describing how spreading codes enable simultaneous voice and data, plus capacity trade-offs and interference behavior.
WPS vs 5G and Wi-Fi 6 vs Wi-Fi 5: Wall Penetration
Clarifies WPS vs 5G and compares Wi-Fi 5 and Wi-Fi 6 performance on wall penetration and throughput, noting MIMO, OFDMA and theoretical maximum rates.
Differences Between FC Switches and Fiber-Optic Switches
Compare Fibre Channel switches and fiber-optic switches: protocols, deployment, interfaces, SAN suitability, and need for fiber transceivers for switch connectivity.
5G Industrial Internet for Safety in Fine Chemicals
Six case studies of 5G industrial internet deployments—private 5G, MEC, edge computing, digital twins and AI—demonstrate safety, efficiency and predictive maintenance gains.
What Is a 5G Private Network? Is a 5G VPN Full Coverage?
Technical overview of 5G private networks: features, coverage limits of 5G virtual private networks, and deployment modes (standalone, non?standalone, hybrid).
What Is Link Aggregation and Its Benefits?
Technical overview of link aggregation and LACP, covering static vs dynamic aggregation, LACP operation and timeouts, benefits, and common use cases.
SMD NTC Thermistors for Temperature Monitoring in 5G Devices
Guide to using SMD NTC thermistors for PCB temperature sensing: circuit examples, ADC resolution, accuracy estimates, and thermal management in 5G devices.
History and Applications of Electronic Skin
Electronic skin overview: flexible tactile sensors, sensor types (capacitive, SAW), working principles and applications in prosthetics, wearables, and robotics.
Three Reliable Enterprise Network Topologies
Technical guide to reliable enterprise campus network design, covering gateway placement, redundancy and a stacking with link aggregation deployment example and best practices.
PPG Optical Path and Process Design for Wearable Devices
Wearable PPG measurement guide covering optical path, sub-board layouts, and light-window designs, with recommendations to improve heart rate and SpO2 accuracy.
3CC: Three-Carrier Aggregation in 5G-A
Technical overview of 3CC three?carrier aggregation: principles, deployment schemes, device support, performance gains and applications for high?throughput scenarios.
Design Challenges for Wearable Health Devices
Overview of wearable health and fitness device architecture and the MAXREFDES100 hSensor reference design, covering sensors, AFEs, MCU, power, and BLE.
What Is an RRU and Key Performance Metrics
Overview of RRUs in cellular base stations: function, distributed BBU/RRU architecture, and key metrics: frequency bands, instantaneous bandwidth, port count, and power consumption.
Edge Computing in Textile Smart Factories
Explore how edge computing transforms textile smart factories with IoT, enhancing efficiency, quality, and cost savings.
5G VoNR+ Deployment for IoT Communication
Technical overview of 5G VoNR+ capabilities and deployment solutions for IoT communication, detailing IMS data channel, terminal requirements, and media platform design.
Terahertz Communication and Sensing for Beyond 5G/6G
Overview of terahertz waves for B5G/6G: spectrum allocations, sensing and imaging potentials, and technical challenges for terahertz wireless networks.
FPGA, ASIC and RFSoC in 5G Systems
Analysis of RFSoC integration and FPGA vs ASIC trade-offs for 5G RRUs, covering DFE/ADC-DAC integration, power and thermal limits, and deployment flexibility.
Guide to Adding Contact Temperature Sensing in Wearables
Integration guidelines for the MAX30205 temperature sensor in wearables: maximize skin contact, minimize thermal mass and PCB heat paths to ensure accurate skin readings.
Wearable Dry-Electrode ECG Patch with Optimized Geometry
Wearable gel-free ECG patch using gold thin-film dry electrodes and a hexagonal maze geometry for improved signal fidelity, wireless Bluetooth telemetry and biocompatibility.